NMEA 0183 
25.01.2009
NMEA protokol je datový formát příkazů pro GPS přijímač a formát dat poskytovaných přijímačem. Jsou to textové řetězce:
Některé programy pracující s připojeným modulem GPS v této podobě i přijatá data ukládají. Textový soubor se záznamem trasy vypadá potom takto:
. . .
$GPGSV,3,3,11,10,10,089,28,16,08,294,,23,05,342,*43
$GPRMC,062256.359,V,,,,,,,150109,,,N*4B
$GPGGA,062257.359,5039.3122,N,01351.0685,E,1,03,4.9,284.8,M,45.9,M,,0000*57
$GPGSA,A,2,24,29,05,,,,,,,,,,5.0,4.9,1.0*32
$GPGSV,3,1,11,29,87,249,34,24,48,145,40,05,36,120,39,30,63,118,38*75
$GPGSV,3,2,11,31,52,274,32,12,26,113,38,02,23,047,,21,19,185,30*76
$GPGSV,3,3,11,10,10,089,27,16,09,294,,23,05,342,*4D
$GPRMC,062257.359,A,5039.3122,N,01351.0685,E,2.19,44.74,150109,,,A*50
$GPGGA,062258.359,5039.3118,N,01351.0693,E,1,03,4.9,284.8,M,45.9,M,,0000*56
$GPGSA,A,2,24,29,05,,,,,,,,,,5.0,4.9,1.0*32
$GPGSV,3,1,11,29,87,249,34,24,48,145,40,05,36,120,39,30,63,118,38*75
$GPGSV,3,2,11,31,52,274,32,12,26,113,38,02,23,047,,21,19,185,29*7E
$GPGSV,3,3,11,10,10,089,23,16,09,294,,23,05,342,*49
$GPRMC,062258.359,A,5039.3118,N,01351.0693,E,2.21,72.49,150109,,,A*51
$GPGGA,062259.359,5039.3114,N,01351.0699,E,1,03,4.9,284.8,M,45.9,M,,0000*51
$GPGSA,A,2,24,29,05,,,,,,,,,,5.0,4.9,1.0*32
$GPGSV,3,1,11,29,87,249,34,24,48,145,40,05,36,120,39,30,63,118,38*75
$GPGSV,3,2,11,31,52,274,32,12,26,113,37,02,23,047,33,21,19,185,23*7B
$GPGSV,3,3,11,10,10,089,23,16,09,294,,23,05,342,*49
$GPRMC,062259.359,A,5039.3114,N,01351.0699,E,1.89,94.09,150109,,,A*5B
$GPGGA,062300.359,5039.3111,N,01351.0705,E,1,03,4.9,284.8,M,45.9,M,,0000*5D
. . .
$GPGSV,3,3,11,10,10,089,28,16,08,294,,23,05,342,*43
$GPRMC,062256.359,V,,,,,,,150109,,,N*4B
$GPGGA,062257.359,5039.3122,N,01351.0685,E,1,03,4.9,284.8,M,45.9,M,,0000*57
$GPGSA,A,2,24,29,05,,,,,,,,,,5.0,4.9,1.0*32
$GPGSV,3,1,11,29,87,249,34,24,48,145,40,05,36,120,39,30,63,118,38*75
$GPGSV,3,2,11,31,52,274,32,12,26,113,38,02,23,047,,21,19,185,30*76
$GPGSV,3,3,11,10,10,089,27,16,09,294,,23,05,342,*4D
$GPRMC,062257.359,A,5039.3122,N,01351.0685,E,2.19,44.74,150109,,,A*50
$GPGGA,062258.359,5039.3118,N,01351.0693,E,1,03,4.9,284.8,M,45.9,M,,0000*56
$GPGSA,A,2,24,29,05,,,,,,,,,,5.0,4.9,1.0*32
$GPGSV,3,1,11,29,87,249,34,24,48,145,40,05,36,120,39,30,63,118,38*75
$GPGSV,3,2,11,31,52,274,32,12,26,113,38,02,23,047,,21,19,185,29*7E
$GPGSV,3,3,11,10,10,089,23,16,09,294,,23,05,342,*49
$GPRMC,062258.359,A,5039.3118,N,01351.0693,E,2.21,72.49,150109,,,A*51
$GPGGA,062259.359,5039.3114,N,01351.0699,E,1,03,4.9,284.8,M,45.9,M,,0000*51
$GPGSA,A,2,24,29,05,,,,,,,,,,5.0,4.9,1.0*32
$GPGSV,3,1,11,29,87,249,34,24,48,145,40,05,36,120,39,30,63,118,38*75
$GPGSV,3,2,11,31,52,274,32,12,26,113,37,02,23,047,33,21,19,185,23*7B
$GPGSV,3,3,11,10,10,089,23,16,09,294,,23,05,342,*49
$GPRMC,062259.359,A,5039.3114,N,01351.0699,E,1.89,94.09,150109,,,A*5B
$GPGGA,062300.359,5039.3111,N,01351.0705,E,1,03,4.9,284.8,M,45.9,M,,0000*5D
. . .
Povídání o tom, jak data dekódovat je zde: www.abclinuxu.cz/gps-a-komunikacni-protokol-nmea-3-dekodovani-dat
(zveřejněno na stránce Ostatní)